310-ZNR
300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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310-ZNR Bearing Product Overview & Core Advantages
The 310-ZNR is a single row deep groove ball bearing designed for exceptional performance in demanding applications. This metric bearing features a shielded design on one side and a unique snap ring on the outer ring, enabling simplified axial location within a housing. Manufactured to P0 tolerance class, it offers reliable operation and is pre-lubricated with grease for immediate use. Its core advantages include robust radial load capacity, ease of installation due to the snap ring, and long service life, making it an ideal choice for applications requiring high reliability and simplified assembly.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 310 | Standard bore diameter series designation. |
| Z | One side shielded. Protects against contaminants while retaining lubrication. |
| NR | Snap ring groove and snap ring on the outer ring. Facilitates secure axial positioning. |
310-ZNR Bearing Structural Features & Performance Benefits
Optimized for Radial Loads: The single row deep groove raceway geometry is engineered to efficiently support high radial dynamic load ratings (14,478 lbf) and radial static load ratings (11,690 lbf).
Simplified Assembly and Axial Location: The integrated snap ring (fitted) on the outer diameter eliminates the need for complex housing shoulders or locknuts, reducing assembly time and cost.
Contamination Protection and Lubrication Retention: The shielded side effectively seals the bearing, protecting the chrome steel balls and raceways from debris and retaining the pre-applied grease lubrication.
High-Speed Capability: The stainless steel cage ensures stable operation and contributes to a high limiting speed of 7,000 rpm, suitable for a wide range of industrial speeds.
Material Integrity: Constructed from high-grade chrome steel for both rings and balls, this bearing offers excellent wear resistance and durability under the specified temperature range of -30°C to 120°C.
310-ZNR Bearing Typical Application Areas
The 310-ZNR bearing is widely used in various industrial sectors due to its robust design and locating feature. Key applications include:
- Electric Motors and Gearboxes: For supporting shafts and providing easy axial location.
- Material Handling Equipment: Such as conveyor pulleys and rollers.
- Agricultural Machinery: In applications like pulleys and drivelines where simplified mounting is beneficial.
- Industrial Fans and Blowers: Where reliable performance under radial loads is critical.
- General Machinery: Any application requiring a standard ball bearing with an integrated locating solution.
